ENVIRONMENTAL AND ENGINEERING GEOPHYSICS Environmental Engineering MSc 08/09 nd semester COURSE COMMUNICATION DOCUMENT University of Miskolc Faculty of Earth Science and Engineering Institute of Geophysics and Geoinformatics
Course datasheet Course Title: Environmental and Engineering Geophysics Credits: 5 Type of course: compulsory Program: Environmental Engineering MSc Neptun code: MFGFT7008 Type (lec. / sem. / lab. / consult.) and Number of Contact Hours per Week: lec. + lab. Type of Assessment (exam. / pr. mark. / other): exam (oral) Attendance at lectures is regulated by the university code of education and examination. Writing two tests at least satisfactory level, respectively, and two individual assignments (one powerpoint presentation and one report on field practice) during the semester are the requirement of signature. Grading scale: > 86 %: excellent, 7-85 %: good, 6-70 %: medium, 6-60 %: satisfactory, <5 %: unsatisfactory. Position in Curriculum (which semester): second Pre-requisites (if any): - Course Description: Study goals Understanding the basics of shallow geophysical surveying methods, through which the geometric and geophysical parameters of the subsurface environment can be determined, primarily for environmental research purposes. Overview of special geophysical methods and their developmental trends. Course content Near-surface geophysical methods: microgravity, magnetic, DC geoelectric, multi-electrode, induced polarization, electromagnetic, ground penetrating radar, seismic refraction and surface NMR methods. Principles of engineering geophysical sounding (direct push) methods, and related applications. Investigation of the geophysical parameters and the lithological/geotechnical properties of soils/rocks. Interpretation of geophysical data by deterministic, statistical and inversion methods. D, D and D modeling of shallow geological structures. Geophysical inversion methods. Engineering and environmental applications: sinkhole detection, investigation of voids and cavities, seawater intrusion, contamination assessment, archeo-geophysics, forensic studies, unexploded ordnance detection, geophysical and geotechnical characterization of road constructions, soils etc. Education method Lectures with projected PowerPoint presentation, laboratory and field measurements. Competencies to evolve T - The environmental engineer knows, and apply the scientific and technical theory, and practice. T - The environmental engineer has the knowledge of environmental measurement technology and theory. Active professional English language skills. The -5 most important compulsory, or recommended literature (textbook, book) resources: Sharma P. V., 997. Environmental and engineering geophysics. Cambridge University Press.
Everett M. E., 0. Near-surface applied geophysics. Cambridge University Press. Kirsch R. (editor), 009. Groundwater Geophysics A Tool for Hydrogeology. Springer. Butler, D. K. (ed.), 005: Near-Surface Geophysics (in series: Investigations in Geophysics, No..) SEG, Tulsa. Scientific papers selected from geophysical journals, e.g., First Break, Near Surface Geophysics, Geophysics, Journal of Applied Geophysics etc. Szabó N. P., 0. Environmental and engineering geophysics. Electronic textbook. http://www.uni-miskolc.hu/~geofiz/education.html Responsible Instructor (name, position, scientific degree): Norbert Péter Szabó Dr., associate professor, PhD, dr. habil. Other Faculty Member(s) Involved in Teaching, if any (name, position, scientific degree):
Week 5 Lecture Classification of near-surface applied geophysical methods. Basic principles of microgravity surveying methods, correction of measurements. Calculation of derivatives. Environmental and engineering applications. Basic principles of magnetic methods, correction of measurements. Magnetic gradiometry. Environmental and engineering applications. DC geoelectric measurement methods. Interpretation of resistivity profiles, maps. Environmental, archaeological and geophysical applications. Time- and frequency domain induced polarization measurements. Geological causes of polarization types. The time constant spectrum. The delineation of contaminated zones. Frequency-domain EM surveying methods. The induction method. Shallow applications of frequency sounding. 6 Time-domain (transient) EM surveying methods and their shallow applications. 7 Near-surface application of the seismic method. Refraction method, its theory and possibilities of use. Environmental and engineering applications of the seismic method. 8 Writing the first test. 9 0 The physical background of surface nuclear magnetic resonance soundings. Determination of the depth distribution of the water content. Well-logging in shallow wells. Well logging methods used for the determination of lithology, porosity and water saturation. Groundwater well logging applications. Borehole radar measurements. Theory of engineering geophysical sounding methods. Investigation of the relationship between the petrophysical (water, air saturation, clay content, matrix fraction) and geotechnical (dry density) characteristics and measured physical parameters. Opportunities for inversion evaluation. Field trip. Simulated conference I. Writing the second test. Simulated conference II. Repeating the writing tests.
Week Seminar Mathematical and physical basics of microgravity method, correction of measurements. Inversion of gravity data. Mathematical and physical basics of magnetic method, correction of measurements. Inversion of magnetic data. Mathematical and physical basics of DC geoelectric methods. Inversion of resistivity data. Mathematical and physical basics of induced polarization methods. The Tautransform. 5 Mathematical and physical basics of FDEM methods. 6 Mathematical and physical basics of TDEM methods. 7 Mathematical and physical background of seismic methods. 8 9 0 Writing the first test. Presentation of the measuring instruments (laboratory practice). Giving the assignment (one powerpoint presentation) to the students. Selection of topics. The mathematics of well logging and engineering geophysical sounding methods. The forward problem. The estimation of petrophysical (soil) parameters using inversion techniques. Field measurements. Simulated conference I. Students deliver the powerpoint presentations on the assigned topics. Evaluation of presentations. Repetation and improvement of writing tests. Writing the second test. Simulated conference II. Students deliver the powerpoint presentations on the assigned topics. Evaluation of presentations. Repetation and improvement of writing tests. Repeating the writing tests.